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k&n filter fitted to st170

  1. K&N RX-4730 XTREME POD FILTER FITTED

    K&N RX-4730 XTREME POD FILTER FITTED

    This made a huge difference to the intake side of things. I'm going to add 3 Inch Flexi Hose to run up to the front of the filter & then attach a Funnel so the air engulfs the filter.
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